The relative rate of the acid catalysed dehydration of the following alcohols would be:

In the above reaction, the major product is shown, which is formed through the intermediate (carbocation) given below:

Which bond will migrate to form the above product?

Total number of alkenes (X) $\underset{\mathrm{distilation}}{\overset{\mathrm{Fractional}}{\to }}$ Number of Fractions obtained (Y).

X and Y are:

Consider the following reactions, which are carried out at the same temperature.

${\mathrm{CH}}_3-\mathrm{Br}+{\mathrm{OH}}^{\ominus }\stackrel{\mathrm{EtOH}}{⟶}{\mathrm{CH}}_3-\mathrm{OH}+{\mathrm{Br}}^{⊝} \left(\mathrm{i}\right)$

${\mathrm{CH}}_3-\mathrm{Br}+{\mathrm{OH}}^{\ominus }\stackrel{\mathrm{DMSO}}{⟶}{\mathrm{CH}}_3-\mathrm{OH}+{\mathrm{Br}}^{\ominus } \left(\mathrm{ii}\right)$

Which of the following statement is correct about these reactions?

${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}+\mathrm{HCl}\stackrel{{\mathrm{ZnCl}}_2}{⟶}{\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Cl}+{\mathrm{H}}_2\mathrm{O}$

In the above reaction, the leaving group is:

What are the products of the following reaction?